Approach a target sponsor and suggest collaborating on a project of interest to that person. “Be super-prepared and go out of your way to make clear how much you plan on helping out with number-crunching and legwork as well new ideas,” says Columbia’s Katherine Phillips. “You’ll be surprised at how well you’ll be received, as most leaders—whatever the field or sector—are looking for ways to stay on the cutting edge, and many of them struggle with huge time constraints. Coleading a project or coauthoring an article with an eminence can make all the difference to your career.”